Rolling mill screwdown
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United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Apr 20, 1979
filing date -
Apr 20, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A screwdown is replaceably inserted in the window of a rolling mill housing between a bearing chock and a surface defining the window of the housing. The screwdown which is provided for each of the pair of rolling mill housings includes a screwdown housing carrying a nut member which receives a screw which is locked against rotation by a lock plate supported by the screwdown housing. Gear teeth are formed on the outer cylindrical surface of the nut and these teeth mesh with the teeth of a worm gear on a shaft which is supported by the screwdown housing for rotation. The shaft of one screwdown housing is coupled to a torque shaft which extends through and supported by the other screwdown housing. The shafts are releasably locked together for synchronous or independent rotation.
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